根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。
My mother had an accident last Thursday. She was trapped in her c 1 for 20 minutes! It was a
cold day. And the s 2 was heavy. She was driving home f 3 work at nine p.m. As there was snow
on the road. She drove very slowly. But u 4 , the car broke down suddenly. She couldn’t s 5 it. And
what was worse, she couldn’t open the door. She f 6 very helpless and didn’t know what to do. So
she telephoned my father with her mobile. But my father happened to(碰巧) be in a 7 city. There
were f 8 people on the road and the snow c 9 to fall around her car. She had to call 110 for help.
Two policemen arrived in a h 10 . They tried many ways to open the door. And my mother came
back home in their police car in the end. She gave us a surprise!.
